Include block engine in paged attn metadata

[EricLBuehler]

No description provided.

[github-actions]

Code Metrics Report

  ===============================================================================
 Language            Files        Lines         Code     Comments       Blanks
===============================================================================
 C Header                2           35           28            0            7
 Dockerfile              1           34           25            0            9
 Happy                   1          442          369            0           73
 JSON                   11          102          101            0            1
 Python                 40         1562         1346           46          170
 TOML                   19          557          491           11           55
-------------------------------------------------------------------------------
 Jupyter Notebooks       2            0            0            0            0
 |- Markdown             2           77           32           31           14
 |- Python               2          196          169            1           26
 (Total)                            273          201           32           40
-------------------------------------------------------------------------------
 Markdown               23         1810            0         1366          444
 |- BASH                 5          101           98            0            3
 |- JSON                 1           12           12            0            0
 |- Python               5           92           82            0           10
 |- Rust                 6          407          364           19           24
 |- TOML                 2           75           63            0           12
 (Total)                           2497          619         1385          493
-------------------------------------------------------------------------------
 Rust                  169        54253        49263          954         4036
 |- Markdown            91          848           13          785           50
 (Total)                          55101        49276         1739         4086
===============================================================================
 Total                 269        58795        51623         2377         4795
===============================================================================